30results about How to "Thermal safety" patented technology

The invention relates to a control system of a pressure-limiting glass evacuated solar water heater without a water tank. An electric heating pipe and a water temperature / level sensor are arranged ina heat collector. A water feeding valve is arranged on a water inlet pipe of the heat collector. A hot water faucet, a water flow sensor, a check valve, a relief valve, a water pressure switch, a safety valve, an expansion valve and an intake valve are sequentially arranged in the direction from the water outlet of a water outlet pipe of the heat collector to the heat collector. The water pressureswitch is electrically connected with the water feeding valve and a controller. The water outlet pipe between the check valve and the water flow sensor is connected with the water inlet of the waterinlet pipe by a cold water pipe which is provided with a signal valve. The water flow sensor, the intake valve, the relief valve and the signal valve are all connected with the controller. The systemadopts the water pressure switch on the water outlet pipe to detect the water pressure in the heat collector and to combine the signal valve on the cold water pipe to ensure the water heater to supplywater normally, which is simple in structure, reasonable in design, safe, convenient, good in freeze-proof and shock-proof effects, high in intelligent control degree and free from potential safety hazard.

The invention discloses a blade server comprising at least one blade housing. Each blade housing houses at least one blade server motherboard and further houses coolant. The coolant is electrically insulated. Each blade server is at least partly soaked in the coolant. In addition, each blade housing is provided with a coolant inlet and a coolant outlet. The blade server motherboards in the blade housings are soaked in the coolant, so that the blade server can be cooled more efficiently; the blade server motherboards can operate at the proper temperature, operating performances of the blade server motherboards can be ensured. The electric insulation of the coolant further ensures that the blade server motherboards can be cooled safely during normal operation.

The invention particularly relates to a power distribution box, and belongs to the technical field of electrical control. By virtue of the power distribution box, electromagnetic interference betweenhigh-voltage and low-voltage components can be avoided, and safety and reliability are achieved; meanwhile, the power distribution box provides an electromagnetic shielding function, so that the normal operation requirement of an electric control box can be satisfied; the power distribution box comprises a box body, a box door and components placed in the box body; one side of the box door is hinged with the power distribution box body through several door hinges; a ring of sealed shielding door frame is arranged in the opening of the power distribution box body; the inner side edge of the shielding door frame is fixedly connected with the power distribution box body, and an electromagnetic shielding door sealed structure is arranged between the outer side edge and the inner side surface of the box door; the electromagnetic shielding door sealed structure comprises a sealed frame substrate and a conductive rubber sealed frame; the sealed frame substrate is fixedly connected with the inner side of the box door; the conductive rubber sealed frame is glued and fixed on the sealed frame substrate through conductive adhesive; and the position of the conductive rubber sealed frame is corresponding to the outer side edge position of the shielding door frame.

A solid oxide fuel cell stack with a uniform flow distribution structure and a metal sealing member is provided, in which fuel and air introduced into the solid oxide fuel cell stack are preheated to a predetermined temperature by heat exchangers provided therein and uniformly distributed over the entire anode and cathode reaction surfaces of unit cells to improve the use efficiency of a fuel cell and in which the sealing of the fuel cell stack is effectively maintained even under high temperature and high pressure conditions to ensure the safety of the fuel cell and increase its durability.

The invention relates to a control method of a pressure-limiting glass evacuated solar water heater without a water tank. An electric heating pipe and a water temperature / level sensor are arranged in a heat collector. A water feeding valve is arranged on a water inlet pipe of the heat collector. A hot water faucet, a water flow sensor, a check valve, a relief valve, a water pressure switch, a safety valve, an expansion valve and an intake valve are sequentially arranged in the direction from the water outlet of a water outlet pipe of the heat collector to the heat collector. The water pressure switch is electrically connected with the water feeding valve and a controller. The water outlet pipe between the check valve and the water flow sensor is connected with the water inlet of the waterinlet pipe by a cold water pipe which is provided with a signal valve. The water flow sensor, the intake valve, the relief valve and the signal valve are all connected with the controller. The solar water heater adopts the method of using the water pressure switch on the water outlet pipe to detect the water pressure in the heat collector and to combine the signal valve on the cold water pipe to ensure the water heater to supply water normally, which is simple in structure, reasonable in design, safe, convenient, good in freeze-proof and shock-proof effects, high in intelligent control degreeand free from potential safety hazard.

The invention provides a cylinder-wall-variable heat conducting structure, comprising an air cylinder body, wherein the air cylinder body is internally provided with a cylinder body allowing a piston to move, the periphery of the cylinder body is provided with a cooling channel allowing an engine cooling liquid to pass, and a heat-conducting switching member for switching heat-conducting matters is further arranged between the cooling channel and the cylinder body. According to the cylinder-wall-variable heat conducting structure disclosed by the invention, by means of the heat-conducting switching member, a heat-exchange pipeline between the cylinder body and the cooling channel has different heat-conducting efficiencies, so that the heat-conducting efficiency between the cylinder body and the cooling channel can be changed, during cold start of an engine, the temperature of the cylinder body can reach the optimal temperature rapidly by reducing the heat-conducting efficiency between the cylinder body and the cooling channel, and thus, the oil consumption is reduced after the cold start of the engine.

The invention relates to a heat insulation window film capable of blocking ultraviolet rays. The heat insulation window film comprises a scratch-resistant layer (1), a first polyester film or polyethylene film base material (2-1), a heat insulation adhesive layer (3), a second polyester film or polyethylene film base material (2-2), an ultraviolet blocking pressure sensitive adhesive layer (4) and a release film (5) which are compounded to form a whole body, wherein the scratch-resistant layer (1) is obtained by coating with a mixture of a scratch-resistant agent, ethyl acetate and methylbenzene and then carrying out ultraviolet curing; the heat insulation adhesive layer (3) is obtained by coating with a mixture of heat insulation substance, a bonding agent, a curing agent, butanone and methylbenzene and then carrying out thermal curing; the ultraviolet blocking pressure sensitive adhesive layer (4) is obtained by coating with a mixture of a diphenyl ketone type ultraviolet absorber, a benzotriazole type ultraviolet absorber, an acrylic acid bonding agent, a curing agent and a solvent and then carrying out thermal curing. The heat insulation window film not only is capable of blocking ultraviolet rays for a long time, but also has effects of heat insulation and energy conservation.

The invention discloses nano-fiber melt-blowing equipment which is safe and stable in production and is high in production quality. The nano-fiber melt-blowing equipment comprises a melt-blowing machine body and a supporting framework for supporting the melt-blowing machine body, wherein one end, close to a charge hole of the melt-blowing machine body, at the outer side of the supporting frameworkis equipped with a feeding device; the feeding device comprises a material barrel which is positioned on ground, close to the side of the supporting framework for loading and unloading raw materials;a feeder is connected above the material barrel; the top end of the feeder is connected with a hopper; a feeding tube at the bottom end of the feeder is inserted into the material barrel; a feeding tube at the top end of the feeder is inserted into the hopper; and the hopper is funnel-shaped, and is positioned above the charge hole of the melt-blowing machine body. A suction type feeder is arranged in the feeding device, so that loading is time-saving and labor-saving, and therefore, supply amount of melt needed for spinning is constant. The nano-fiber melt-blowing equipment is scientific andreasonable in structure, and is safe and convenient to use.

The invention discloses a water source multi-split air conditioning system which comprises an outdoor unit refrigerant system unit, an indoor unit, a water source cooling unit, a refrigerant and water side heat exchange unit and a compressor frequency conversion module. The water source multi-split air conditioning system further comprises a frequency conversion module cooling unit. The frequency conversion module cooling unit is arranged on the compressor frequency conversion module and used for guiding cooling water flowing out of the water source cooling unit to flow through the compressor frequency conversion module so as to absorb heat generated by the compressor frequency conversion module and make the cooling water which absorbs the heat flow back to the water source cooling unit through a cooling water inlet of the water source cooling unit. Duo to the fact that the water source multi-split air conditioning system makes the cooling water flowing out of the water source cooling unit flow through the frequency conversion module cooling unit so as to absorb the heat generated by the compressor frequency conversion module, the water source multi-split air conditioning system is capable of realizing safe and reliable heat dissipation of the compressor frequency conversion module, simple in heat dissipation structure, and quite low in cost.

The invention discloses a helmet for strengthening hair roots and for promoting hair growth, and relates to the field of electromechanical apparatuses. The helmet for strengthening hair roots and for promoting hair growth comprises a helmet main body, wherein a plurality of laser radiation light sources are arranged in the helmet main body, and the laser radiation light sources are conducted by gold; and a radiating device is additionally arranged in the helmet. A control button of the radiation light sources is additionally arranged on a housing of the helmet main body. 80 laser radiation light sources are arranged. According to the helmet provided by the invention, on the basis of a revolutionary laser technology, up to 80 full-laser radiation points are designed to completely cover a scalp of hair loss; according to the design, a pure gold conductor is adopted, so that rapid and safe heat radiation and long-term application are guaranteed; and the helmet can effectively prevent hair loss and promote hair growth, so that a user can easily have abundant and bright hair and can regain confidence.

The invention relates to a control system of a pressure-limiting glass evacuated solar water heater without a water tank. An electric heating pipe and a water temperature / level sensor are arranged in a heat collector. A water feeding valve is arranged on a water inlet pipe of the heat collector. A hot water faucet, a water flow sensor, a check valve, a relief valve, a water pressure switch, a safety valve, an expansion valve and an intake valve are sequentially arranged in the direction from the water outlet of a water outlet pipe of the heat collector to the heat collector. The water pressure switch is electrically connected with the water feeding valve and a controller. The water outlet pipe between the check valve and the water flow sensor is connected with the water inlet of the waterinlet pipe by a cold water pipe which is provided with a signal valve. The water flow sensor, the intake valve, the relief valve and the signal valve are all connected with the controller. The systemadopts the water pressure switch on the water outlet pipe to detect the water pressure in the heat collector and to combine the signal valve on the cold water pipe to ensure the water heater to supply water normally, which is simple in structure, reasonable in design, safe, convenient, good in freeze-proof and shock-proof effects, high in intelligent control degree and free from potential safety hazard.

The invention discloses a heat dissipation device for an inertial navigation module, belonging to the technical field of fluid heat dissipation, comprising: a microchannel radiator adopting a shower type multi-channel mixed impact heat dissipation structure, a micropump, a liquid outlet pipe, and corresponding to each chip A number of shunt tubes, multi-channel fluid control valves, return chambers and heat dissipation fins arranged on each shunt pipe; there is a thermal conductive coating between the micro-channel radiator and the PCB board of the inertial navigation chip; through the return chamber and heat dissipation fins The heat dissipation working fluid cooled by the chip is pumped out by the micro pump, and enters the multi-channel fluid control valve through the liquid outlet pipe. The multi-channel fluid control valve changes the flow rate of the working fluid in the shunt pipe based on the real-time temperature of the chip, and the cooled heat dissipation working fluid is introduced through the shunt pipe. The micro-channel radiator, after absorbing the heat of the chip, enters the reflow cavity to form a heat dissipation circuit. The invention can realize intelligent heat dissipation for different regions on the inertial navigation module.

The invention discloses a heat dissipation device for a uniform-temperate plate for an LED lamp. The heat dissipation device comprises a heat dissipation channel tube, a low-heat-dissipation fish fin,the uniform-temperature plate and an LED lamp mounting seat, wherein a tube connecting seat is arranged on one side of the heat dissipation channel tube, one side of the tube connecting seat is provided with an air inlet tube, one side of the air inlet tube is provided with an air inlet valve, an air filter is arranged on one side of the air inlet valve, an air blower is arranged on one side of the air filter, the top of the air blower is provided with the air inlet tube, the other side of the heat dissipation channel pipe is provided with a high-heat-dissipation fish fin, and one side of thehigh-heat-dissipation fish fin is provided with the low-heat-dissipation fish fin. The heat dissipation device for the uniform-temperate plate for the LED lamp has the beneficial effects that the heat dissipation fish fins cooperate with the uniform-temperature plate for use, so that the use of the device is safe and reliable, uniform heat dissipation can be achieved, moreover, large-area heat dissipation is facilitated for a long-strip-shaped LED lamp, and the heat dissipation effect can reach the optimal state for a lamp which works for a long time.

The invention provides a charging type implantable medical device having a protection function and a limiting function and belongs to the technical field of implantable medical instruments. The device has the protection function and the limiting function. The protection function includes implanted rechargeable battery temperature protection, implanted titanium temperature protection, protection by a battery protection circuit and an external charging coil temperature protection. The limiting function includes inner receiving power limiting, magnetic induction strength limiting, charging efficiency limiting and external transmission power limiting. The implanted rechargeable battery protection circuit realizes comprehensive protection against conditions such as overvoltage, under voltage, overcurrent and load short circuit that may cause damage to a battery. The device provided by the invention has characteristics of guaranteeing heat safety, battery safety and electromagnetic safety.

The invention provides a continuous vacuum diffusion furnace, which includes a feeding part and a reaction furnace part. The vacuum diffusion furnace includes at least two reaction furnaces, and each reaction furnace corresponds to a set of feeding parts. At least two reaction furnaces are up and down Or arranged side by side; each reaction furnace and feeding part can work independently to achieve continuous production. The invention can realize the vacuum sealing and continuous production of the furnace body, and through the rational design of the structure of the diffusion furnace, the process order is improved and the output of the diffusion furnace is increased.

The invention discloses a water circulation structure based on a turntable system. The invention can effectively dissipate heat to the optical detector on the two-dimensional photoelectric turntable, and the waterway is unblocked and tightly sealed during the movement of the turntable, which does not affect the detection and tracking performance of the turntable. In the present invention, fluid sockets are arranged at the bottom of the probe head and the top of the U-shaped bracket of the turntable, so that the hose can follow the probe head to rotate in a small range; through the rotary joint arranged on the base, the rotor and stator of the rotary joint follow the motor Rotate relative to each other, while the hose inside remains stationary at all times, independent of the rotation of the turntable. Therefore, the present invention will not have any impact on the normal operation of the waterway during the rotation of the turntable in the two directions of pitch and azimuth, and can realize safe and reliable heat dissipation of the internal components of the turntable without affecting the detection and tracking of the turntable performance.

A thermal assembly includes a heat source ( 10 ), a heat sink ( 50 ), a thermal interface material ( 30 ) and a porous membrane ( 20 ). The heat sink is over the heat source. The thermal interface material is enclosed with the porous membrane, with both being between the heat source and the heat sink. The porous membrane has a number of holes ( 23 a) in which a number of carbon nanotubes ( 28 ) are provided. A method for fabricating the thermal assembly includes the following steps. The heat source having a surface is provided, wherein the surface defines a central part. The thermal interface material is coated onto the central part of the surface of the heat source. The thermal interface material is enclosed with the porous membrane, the porous membrane having the holes in which the carbon nanotubes are provided. The heat sink is attached to the heat source.

The invention discloses a high-safety cable bridge specially for power transmission and transformation, which comprises a bridge shell and a humidity detector, wherein the bottom part of the bridge shell is provided with a fixedly-mounted base; two ends, below the fixedly-mounted base, are provided with fixing supports; the front side and the rear side of the bridge shell are provided with air vents; the air vent is internally provided with a dustproof filter net; the humidity detector is arranged at the left lower side inside the bridge shell; the middle position below the inner part of the bridge shell is provided with a temperature detector; and the middle position above the inner part of the bridge shell is provided with a smoke detector. The high-safety cable bridge specially for power transmission and transformation has the beneficial effects that the structure is scientific and reasonable; due to the air vents, cooling of the bridge is facilitated; due to the dustproof filter net, dust entering the cable bridge can be effectively filtered, the problems of line overheat or fire happening to the surface of the line due to dust accumulation are avoided; and due to the humiditydetector and the temperature detector, the temperature and the humidity inside the bridge can be detected in real time.